2121001202130 has 32 divisors (see below), whose sum is σ = 5093812505664. Its totient is φ = 565221473856.

The previous prime is 2121001202113. The next prime is 2121001202207. The reversal of 2121001202130 is 312021001212.

It is a super-3 number, since 3×2121001202130³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23632384 + ... + 23721963.

It is an arithmetic number, because the mean of its divisors is an integer number (159181640802).

Almost surely, 2^{2121001202130} is an apocalyptic number.

2121001202130 is an abundant number, since it is smaller than the sum of its proper divisors (2972811303534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121001202130 is a wasteful number, since it uses less digits than its factorization.

2121001202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47355850.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2121001202130 its reverse (312021001212), we get a palindrome (2433022203342).

The spelling of 2121001202130 in words is "two trillion, one hundred twenty-one billion, one million, two hundred two thousand, one hundred thirty".